daemon/network endpoint_array_t: decrease indirection

The extra pointer layer was useless.  Note: we couldn't put an UV handle
directly inside an array because their addresses can't be moved IIRC,
but we had it behind a pointer already.
27 jobs for netlist in 53 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
canceled #246257
amd64 linux docker
archive

00:00:53

canceled #246258
amd64 linux docker
build

00:00:53

canceled #246259
amd64 linux docker
build-asan

00:00:53

canceled #246260
docker
kres-gen

00:00:53

 
  Test
canceled #246261
docker delayed
build:darwin

canceled #246262
amd64 linux docker
deckard

canceled #246263
docker delayed
doc

canceled #246264
dind
docker

canceled #246265
docker delayed
lint:other

canceled #246266
amd64 linux docker delayed
lint:pedantic

canceled #246267
amd64 linux docker
lint:scan-build

canceled #246268
amd64 linux docker
lint:tidy

canceled #246269
privileged
pkg:epel-7

canceled #246270
privileged
pkg:fedora-29

canceled #246271
amd64 linux docker
respdiff:basic

canceled #246272
amd64 linux docker delayed
test:valgrind

 
  Extended
canceled #246274
respdiff
fwd-tls6-kresd.udp6

canceled #246275
respdiff
fwd-udp6-kresd.udp6

canceled #246279
respdiff
fwd-udp6-unbound.tcp6

canceled #246280
respdiff
fwd-udp6-unbound.tls6

canceled #246278
respdiff
fwd-udp6-unbound.udp6

canceled #246277
respdiff
iter.tls6

canceled #246276
respdiff
iter.udp6

canceled #246273
amd64 linux docker
pytests

canceled #246281
respdiff
resperf:fwd-tls6.udp-asan

canceled #246282
respdiff
resperf:fwd-udp6.udp-asan

canceled #246283
respdiff
resperf:iter.udp-asan